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Extech 407735 Sound Level Meter
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Extech 407735
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Features:
- Provides 2dB accuracy
- High and Low measuring ranges
- Max Hold with reset button
- Built-in calibration check (94dB)
- Analog AC/DC outputs for connection to an analyzer or recorder
- Tripod mount ideal for field use
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Description
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General purpose sound level meter. This professional meter, with proper care, will provide years of safe reliable service.
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| 407735 |
SOUND LEVEL METER, DIGITAL, 2.0DB ACCURACY |
| $219.99 |  |
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| Model |
Accessories |
List Price |
Sale Price |
| 407744 |
SOUND LEVEL CALIBRATOR |
| $299.99 | |
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Specifications
| General Specifications |
| Display |
3-1/2 digit (2000 count) LCD |
| Display update rate |
0.5 seconds |
| Microphone |
0.5” Electret condensor |
| Measurement Bandwidth |
31.5Hz to 8KHz |
| Dynamic range |
65dB |
| Measurement Range |
35 to 130dB (Low: 35 to 90; High: 65 to 130dB) |
| Frequency weighting |
‘A’ and ‘C’ (selectable) |
| Accuracy / Resolution |
± 2.0dB / 0.1dB |
| Maximum Hold decay time |
<1dB / 3min |
| Response time |
Fast: 125 milliseconds / Slow: 1 second |
| Built-in calibration check |
1KHz internal sine wave @ 94dB |
| AC Analog output |
0.65VAC rms (full scale); 600 Ω output impedance |
| DC Analog output |
10mVDC / dB; 100 Ω output impedance (approx). |
| Power |
9V Battery |
| Battery life |
50 hours (typical); Low battery indicator alerts user |
| Operating temperature |
32 to 104°F (0 to 40°C) |
| Operating humidity |
10 to 90% RH |
| Dimensions/weight |
9.45 x 2.68 x 1” (240 x 68 x 25mm) / 6.75oz (210g) |
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